I have finally fixed the issue of making Iron the default browser on Windows 8.

1 - Go to: C:\Program Files (x86)\SRWare Iron2 - Right-click the "chrome" (not Iron) application file and run as Administrator3 - Iron will open and ask if you want to make it the default browser4 - You can also thereafter go to settings and make it the default5 - In your Control Panel > Default Programs > Set Default Programs... Chromium will be listed and you can select it as the default browser

That's it.

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